When, in 2008, Satoshi Nakamoto envisioned the first distributed database management
system that relied on cryptographically secured chain of blocks to store data in an immutable …

With the emergence of digital currencies, blockchain systems have been committed to the
efficient and trusted storage of data, building decentralized, tamper-proof, persistent, and …

Blockchain is the core of computer technology. It is cryptographically endangered distributed
and parallelized database (DB) knowledge for storing and transmitting facts. Each tuple in …

Medical records contain vital, critical, and confidential information of any person. Paper‐
based medical records are being used by many hospitals that suffer from various issues like …

Blockchain has recently triggered extensive attention and concern due to the flourish of
cryptocurrencies and decentralized applications. It can be considered as a database, and is …

Blockchain techniques have been introduced to achieve decentralized and transparent
traceability systems, which are critical components of food supply chains. Academia and …

As the world has moved toward rigorous containment measures due to the spread of a novel
coronavirus, it is crucial to push the boundaries of clinical data obtaining methods using real …

A blockchain is designed to establish consistent and reliable agreements in an untrusted
and decentralized environment. In addition, the blockchain enables transaction processing …

Blockchain is a kind of apportioned database. It is a genuine kind of circulated database with
especially exact geographies and limits to without issues inquiry current blockchains are to a …

With the distributed and decentralized nature of blockchain, and with its sequential data
access, query processing emerges as a challenging issue in the blockchain systems. These …